Siam

▲(Left side) Siam, London Made

▲ Pipe with a twin-bore bit (see enlarged views)

Sicana

▲ (Left side) Sicana registered, De Luxe (In script)
(Right side) 158

▲ (Left side) Sicana (Arched) Grain, Registered
(Right side) 301 (over 312)
(Underside) Made in France

Former brand from Gros Grenier Ostero & Cie .
See also: GOC, OSA, Prior

The Gros-Grenier-Ostorero & Cie factory

Sigmund

Girona

Artisan: Segimon Baulenas
He used to work at Salvatella factory from 1973 until its closure. He created then his own brand.
Production (2004): ~250 pipes/year

Signature

▲ Signature

▲ Dominique, Signature

▲ (Left side) Signature (Right side) Imported Bruyère

This brand of the Larus & Brother Co. proposed to customize their pipes by engraving the owner's signature or initials on the stem in addition to the "L" logo.

More signatures examples

Sillem's

Kassel

▲ (Left side)

Sillem's

(Right side)

Savinelli 1876, Italy

(On band left underside)

925 (In oval)

Private label of Seiffert & Sohn GmbH. The pipes are usualy crafted by Savinelli. The brand corresponds to various accessories combining silver with wood, leather or glass.

Silvano

▲ Silvano, Set

Silver Match

▲ Logo for pipes sold in France (?)

Pipes distributed by the famous lighter brand.
Others lighter brands distributing pipes: Flamidor, Myon, Ronson, S.T. Dupont

Silveren Dansk

▲ Silveren Dansk, 22

Silverking

▲ (Left side) Silverking
On sterling silver band: EP (In a diamond) L W M (In antique script)
(Right side) Algerian Briar, Made in France Silverking's logo is white, Gold King's is yellow

This is probably not a brand but rather the name of a line of an unknown french factory.

Other line from this factory: Big Ben Reputation , Gold King